Solar cell module

Abstract

A solar cell module includes a plurality of solar cells having a back electrode layer, a light absorbing layer, and a front electrode layer which are sequentially disposed on a support substrate, an upper panel on the solar cells, sealing layers disposed between an outer peripheral region of the support substrate and the upper panel for sealing the support substrate and the upper panel, and a moisture absorption layer between the sealing layers.

1 . A solar cell module comprising:
 a plurality of solar cells having a back electrode layer, a light absorbing layer, and a front electrode layer which are sequentially disposed on a support substrate;   an upper panel on the solar cells;   sealing layers disposed between an outer peripheral region of the support substrate and the upper panel for sealing the support substrate and the upper panel; and   a moisture absorption layer between the sealing layers.   
     
     
         2 . The solar cell module of  claim 1 , wherein the sealing layers comprise a first sealing layer and a second sealing layer disposed around the first sealing layer, and the moisture absorption layer is disposed between the first sealing layer and the second sealing layer. 
     
     
         3 . The solar cell module of  claim 1 , wherein the moisture absorption layer comprises CaO, BaO, LiO, or ZrO. 
     
     
         4 . The solar cell module of  claim 1 , wherein the moisture absorption layer is cured by heat or light. 
     
     
         5 . The solar cell module of  claim 1 , wherein the moisture absorption layer comprises a moisture absorption particle having a diameter in a range of 1 μm to 10 μm. 
     
     
         6 . The solar cell module of  claim 1 , wherein an inner space between the support substrate and the upper panel is maintained in a vacuum state. 
     
     
         7 . The solar cell module of  claim 6 , wherein the moisture absorption layer is further disposed in the inner space between the support substrate and the upper panel. 
     
     
         8 . The solar cell module of  claim 1 , wherein the sealing layer comprises epoxy resin or silicon resin. 
     
     
         9 . A solar cell module comprising:
 a plurality of solar cells having a back electrode layer, a light absorbing layer, and a front electrode layer which are sequentially disposed on a support substrate;   an upper panel on the solar cells;   a buffer layer between an outer peripheral region of the support substrate and the upper panel;   sealing layers disposed on the buffer layer for sealing the support substrate and the upper panel; and   a moisture absorption layer between the sealing layers.   
     
     
         10 . The solar cell module of  claim 9 , wherein the support substrate comprises a soda lime glass substrate. 
     
     
         11 . The solar cell module of  claim 9 , wherein the buffer layer comprises SiO 2 , Si 3 N 4 , or solgel silica. 
     
     
         12 . The solar cell module of  claim 9 , wherein the buffer layer is further disposed on the solar cells. 
     
     
         13 . The solar cell module of  claim 9 , wherein the moisture absorption layer comprises CaO, BaO, LiO, or ZrO. 
     
     
         14 . The solar cell module of  claim 9 , wherein the moisture absorption layer is cured by heat or light. 
     
     
         15 . The solar cell module of  claim 9 , wherein the moisture absorption layer comprises a moisture absorption particle having a diameter in a range of 1 μm to 10 μm. 
     
     
         16 . The solar cell module of  claim 9 , wherein the buffer layer is further disposed at a region in which the sealing layer will be formed. 
     
     
         17 . The solar cell module of  claim 9 , wherein an inner space between the support substrate and the upper panel is maintained in a vacuum state. 
     
     
         18 . The solar cell module of  claim 9 , wherein an inner space between the support substrate and the upper panel is filled with inert gas or liquids capable of performing the function the same as that of vacuum or inert gas. 
     
     
         19 . The solar cell module of  claim 1 , wherein an inner space between the support substrate and the upper panel is filled with inert gas or liquids capable of performing the function the same as that of vacuum or inert gas.